remove logging.basicConfig() from workplace
remove logging.basicConfig() from workplace

Summary: As part of PR from GitHub, "logging.basicConfig()" was added to workplace, causing havoc with existing logger configurations. It should not be here. Thanks rbgirshick for reporting.

Reviewed By: kdub0

Differential Revision: D4346077

fbshipit-source-id: 084ddcbfe6354bdaf5c97a42086c0bd36ec4629c

xzturn/caffe2,pietern/caffe2,xzturn/caffe2,sf-wind/caffe2,xzturn/caffe2,bwasti/caffe2,davinwang/caffe2,Yangqing/caffe2,pietern/caffe2,davinwang/caffe2,bwasti/caffe2,xzturn/caffe2,Yangqing/caffe2,davinwang/caffe2,Yangqing/caffe2,Yangqing/caffe2,pietern/caffe2,Yangqing/caffe2,sf-wind/caffe2,bwasti/caffe2,pietern/caffe2,sf-wind/caffe2,xzturn/caffe2,bwasti/caffe2,sf-wind/caffe2,davinwang/caffe2,pietern/caffe2,caffe2/caffe2,bwasti/caffe2,davinwang/caffe2,sf-wind/caffe2